tinba | 80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7

Analysis

max time kernel
108s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 21:09

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General

Target

80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe
Size

110KB
MD5

0e4abd5720b3abea9657040212156330
SHA1

db1cf067f5099c2a3c98db5c7eb789d969facc5d
SHA256

80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7
SHA512

781ca0d757aee3cbaa659913ff13e2ce908de8b89c6689f5d241de8ccd8f805034f7eaa335f9300490f7cec3c56094f2816c4bdedffa599ceb37b85728b129f7
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:GiyvRmDLs/ZrwWJjAqGcRJ2hA

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\253B4C1B = "C:\\Users\\Admin\\AppData\\Roaming\\253B4C1B\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4512-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2276	4908	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4908	winver.exe
4908	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4908	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 4908	4512	80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe	83
PID 4512 wrote to memory of 4908	4512	80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe	83
PID 4512 wrote to memory of 4908	4512	80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe	83
PID 4512 wrote to memory of 4908	4512	80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe	83
PID 4908 wrote to memory of 3408	4908	winver.exe	55
PID 4908 wrote to memory of 2660	4908	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
- C:\Users\Admin\AppData\Local\Temp\80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe
  "C:\Users\Admin\AppData\Local\Temp\80426c6b8d187ee654a76aed1cadb77c911d152a416bbcbd15c3ff5683e0c8e7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4908
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 352
      4⤵
      Program crash
      PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4908 -ip 4908
1⤵
PID:3308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2660-14-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3408-7-0x00007FFA38E4D000-0x00007FFA38E4E000-memory.dmp

Filesize
4KB

Download
memory/3408-3-0x0000000001400000-0x0000000001406000-memory.dmp

Filesize
24KB

Download
memory/3408-2-0x0000000001400000-0x0000000001406000-memory.dmp

Filesize
24KB

Download
memory/4512-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4512-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4512-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4512-10-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4512-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/4908-8-0x00007FFA38DB0000-0x00007FFA38FA5000-memory.dmp

Filesize
2.0MB

Download
memory/4908-6-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/4908-5-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/4908-15-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download